螯合

The ancient virus might help us understand whether and how retroviruses contribute to cancer, Coffin says.

Coffin表示，远古病毒的研究将会帮助我们理解逆转录病毒是否以及如何促成癌症。

While you're looking at the chain, scrutinize it for anything out of the ordinary.

当你看着链，仔细检查它的任何不寻常。